Thank you for selecting the Corvallis Clinic (诊所）for your recent healthcare needs. To continue delivering the highest possible level of service, we survey our patients to learn about their experiences at our clinic. The comments and suggestions you provide about your visit will help us evaluate(评价）our services and improve our care. This survey takes only a few minutes to complete. Your comments and suggestions are very important to us，and they will be kept confidential (保密）?A postage-paid reply envelope is enclosed for your convenience. If you have any questions about this survey, please call our Service Center at 541-754-1374. Thank you for helping us as we continually try our best to improve the quality of medical care. Please drop your completed survey in the mail as soon as possible. Patients ' Survey Survey conducted by ： Corvallis Clinic Aim of the survey ： to deliver the highest possible level of service Values of patients comments and suggestions： 1.helping to evaluate the clinicJ’s 48_______； 2.helping to improve the clinic’s 49_______ Promise by the clinic ： comments and suggestions to be kept 50_______ Enclosure: a 51_______ reply envelope Contact： to call Service Center at 52_______